Elements, Compounds, Molecules (AML)

Front

What is an element?

Back

An element is a pure substance that cannot be broken down into simpler substances by chemical means. It is made up of only one type of atom.

Front

What is a compound?

Back

A compound is a substance formed when two or more different elements are chemically bonded together.

Front

What is a molecule?

Back

A molecule is the smallest unit of a chemical compound that retains its chemical properties, consisting of two or more atoms bonded together.

Front

Are all molecules compounds?

Back

No, not all molecules are compounds. Molecules can be made of the same type of atoms (like O2) and are not considered compounds.

Front

What is the difference between an element and a compound?

Back

An element consists of only one type of atom, while a compound consists of two or more different types of atoms chemically bonded together.

Front

What is a mixture?

Back

A mixture is a combination of two or more substances that are not chemically bonded and can be separated by physical means.

Front

Can a compound be broken down into simpler substances?

Back

Yes, compounds can be broken down into their constituent elements or simpler compounds through chemical reactions.

Front

What is the Periodic Table?

Back

The Periodic Table is a tabular arrangement of all known elements, organized by increasing atomic number and grouped by similar properties.

Front

Give an example of a compound.

Back

Water (H2O) is an example of a compound, consisting of two hydrogen atoms and one oxygen atom.

Front

What is the chemical formula for carbon dioxide?

Back

The chemical formula for carbon dioxide is CO2, which consists of one carbon atom and two oxygen atoms.